video conference (video
conferencing)
A video
conference is a live, visual connection between two or more people residing in
separate locations for the purpose of communication. At its simplest, video
conferencing provides transmission of static images and text between two
locations. At its most sophisticated, it provides transmission of full-motion
video images and high-quality audio between multiple locations.
A video-conference has the following advantages:
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It avoids the participants
having to spend time travelling to meet each other.
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Saves travel costs.
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The participants in different
locations are able to work on the same electronic document.
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Seeing the person that you are
communicating with can give important visual clues that are not available
during a telephone conversation.
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It can be used to allow an
expert to investigate a problem without making a site visit, for example an
engineer could view components that have failed so that the correct
replacement parts can be supplied.
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The
disadvantages of video-conferencing are:
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A high bandwidth communication
link is required to transmit and receive high quality images.
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There is a short time lag
between speaking and receiving a response that can disrupt the natural flow
of a conversation.
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High quality dedicated
video-conferencing systems are expensive to buy.
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A video conference uses cameras
and microphones to send images and sound across a network or the Internet so
that two or more people can:
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To take part in a video
conference a teleworker will need a desktop or laptop computer equipped with:
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A sound card.
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A microphone.
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A set of speakers.
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A webcam.
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Broadband access to the
Internet.
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A
video conference can be initiated by using an instant messaging service or
specialist video conferencing software that will allow participants to work
simultaneously on the same document.
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